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Webb JL, Bries AE, Vogel B, Carrillo C, Harvison L, Day TA, Kimber MJ, Valentine RJ, Rowling MJ, Clark S, McNeill EM, Schalinske KL. Whole egg consumption increases gene expression within the glutathione pathway in the liver of Zucker Diabetic Fatty rats. PLoS One 2020; 15:e0240885. [PMID: 33141822 PMCID: PMC7608885 DOI: 10.1371/journal.pone.0240885] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 10/05/2020] [Indexed: 01/01/2023] Open
Abstract
Nutrigenomic evidence supports the idea that Type 2 Diabetes Mellitus (T2DM) arises due to the interactions between the transcriptome, individual genetic profiles, lifestyle, and diet. Since eggs are a nutrient dense food containing bioactive ingredients that modify gene expression, our goal was to examine the role of whole egg consumption on the transcriptome during T2DM. We analyzed whether whole egg consumption in Zucker Diabetic Fatty (ZDF) rats alters microRNA and mRNA expression across the adipose, liver, kidney, and prefrontal cortex tissue. Male ZDF (fa/fa) rats (n = 12) and their lean controls (fa/+) (n = 12) were obtained at 6 wk of age. Rats had ad libitum access to water and were randomly assigned to a modified semi-purified AIN93G casein-based diet or a whole egg-based diet, both providing 20% protein (w/w). TotalRNA libraries were prepared using QuantSeq 3' mRNA-Seq and Lexogen smallRNA library prep kits and were further sequenced on an Illumina HighSeq3000. Differential gene expression was conducted using DESeq2 in R and Benjamini-Hochberg adjusted P-values controlling for false discovery rate at 5%. We identified 9 microRNAs and 583 genes that were differentially expressed in response to 8 wk of consuming whole egg-based diets. Kyto Encyclopedia of Genes and Genomes/Gene ontology pathway analyses demonstrated that 12 genes in the glutathione metabolism pathway were upregulated in the liver and kidney of ZDF rats fed whole egg. Whole egg consumption primarily altered glutathione pathways such as conjugation, methylation, glucuronidation, and detoxification of reactive oxygen species. These pathways are often negatively affected during T2DM, therefore this data provides unique insight into the nutrigenomic response of dietary whole egg consumption during the progression of T2DM.
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Affiliation(s)
- Joe L. Webb
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, United States of America
- Interdepartmental Graduate Program in Nutritional Sciences, Iowa State University, Ames, IA, United States of America
| | - Amanda E. Bries
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, United States of America
- Interdepartmental Graduate Program in Nutritional Sciences, Iowa State University, Ames, IA, United States of America
| | - Brooke Vogel
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, United States of America
| | - Claudia Carrillo
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, United States of America
| | - Lily Harvison
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, United States of America
| | - Timothy A. Day
- Department of Biomedical Sciences, Iowa State University College of Veterinary Medicine, Ames, IA, United States of America
| | - Michael J. Kimber
- Department of Biomedical Sciences, Iowa State University College of Veterinary Medicine, Ames, IA, United States of America
| | - Rudy J. Valentine
- Department of Kinesiology, Iowa State University, Ames, IA, United States of America
| | - Matthew J. Rowling
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, United States of America
- Interdepartmental Graduate Program in Nutritional Sciences, Iowa State University, Ames, IA, United States of America
| | - Stephanie Clark
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, United States of America
| | - Elizabeth M. McNeill
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, United States of America
- Interdepartmental Graduate Program in Nutritional Sciences, Iowa State University, Ames, IA, United States of America
- Genetics and Genomics Graduate Program, Iowa State University, Ames, IA, United States of America
| | - Kevin L. Schalinske
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, United States of America
- Interdepartmental Graduate Program in Nutritional Sciences, Iowa State University, Ames, IA, United States of America
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Saande CJ, Bries AE, Pritchard SK, Nass CA, Reed CH, Rowling MJ, Schalinske KL. Whole Egg Consumption Decreases Cumulative Weight Gain in Diet-Induced Obese Rats. J Nutr 2020; 150:1818-1823. [PMID: 32359139 DOI: 10.1093/jn/nxaa114] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 03/10/2020] [Accepted: 04/01/2020] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Whole egg (WE) consumption has been demonstrated to attenuate body weight (BW) gain and adiposity in genetic animal models of type 2 diabetes (T2D). This finding was accompanied by increased food consumption. OBJECTIVES This study aimed to examine the effects of long-term WE intake on BW gain, fat distribution, and food intake in a rat model of diet-induced obesity (DIO). METHODS Male Sprague Dawley rats (n = 24) were obtained at 5 wk of age and were randomly weight-matched across 1 of 4 dietary intervention groups (6 rats per group): a casein-based diet (CAS), a high-fat high-sucrose CAS diet (HFHS CAS), a whole egg-based diet (EGG), or a high-fat high-sucrose EGG diet (HFHS EGG). All diets provided 20% (w/w) protein and were provided for 33 wk. HFHS diets provided ∼61% of kilocalories from fat and 10% from sucrose. Daily weight gain and food intake were recorded, biochemical parameters were measured via ELISA, and epididymal fat pad weights were recorded at the end of the study. RESULTS At 33 wk, cumulative BW gain in DIO rats fed HFHS EGG resulted in 23% lower weight gain compared with DIO rats fed HFHS CAS (P < 0.0001), but no significant differences in BW gain were observed between the HFHS EGG group and the control EGG and CAS groups (P = 0.71 and P = 0.61, respectively). Relative food intake (grams per kilogram BW) was 23% lower (P < 0.0001) in rats fed HFHS CAS compared with CAS, whereas there was no difference in food intake within the EGG dietary groups. DIO rats fed HFHS EGG exhibited a 22% decrease in epididymal fat weight compared with their counterparts fed the HFHS CAS. CONCLUSIONS Our data demonstrate that consumption of a WE-based diet reduced BW gain and visceral fat in the DIO rat, similar to our previous findings in a genetic rat model with T2D.
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Affiliation(s)
- Cassondra J Saande
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, USA.,Interdepartmental Graduate Program in Nutritional Sciences, Iowa State University, Ames, IA, USA.,USDA National Needs Fellowship
| | - Amanda E Bries
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, USA.,Interdepartmental Graduate Program in Nutritional Sciences, Iowa State University, Ames, IA, USA
| | - Samantha K Pritchard
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, USA.,Interdepartmental Graduate Program in Nutritional Sciences, Iowa State University, Ames, IA, USA
| | - Caitlyn A Nass
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, USA
| | - Carter H Reed
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, USA.,Interdepartmental Graduate Program in Nutritional Sciences, Iowa State University, Ames, IA, USA
| | - Matthew J Rowling
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, USA.,Interdepartmental Graduate Program in Nutritional Sciences, Iowa State University, Ames, IA, USA
| | - Kevin L Schalinske
- Department of Food Science and Human Nutrition, Iowa State University, Ames, IA, USA.,Interdepartmental Graduate Program in Nutritional Sciences, Iowa State University, Ames, IA, USA
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Dennis T, Suarez-Mena F, Hill T, Quigley J, Schlotterbeck R. Effects of egg yolk inclusion, milk replacer feeding rate, and low-starch (pelleted) or high-starch (texturized) starter on Holstein calf performance through 4 months of age. J Dairy Sci 2017; 100:8995-9006. [DOI: 10.3168/jds.2017-13169] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2017] [Accepted: 07/28/2017] [Indexed: 11/19/2022]
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Abstract
The general principles of growth and nutrients required are no different for young calves than for any other species. Additional complexity is introduced, however, by the need to transition the young preruminant to functioning ruminant. The nutritional and digestive physiology of dairy calves as future ruminants needs to be the governing factor in designing practical feeding systems to meet nutrient requirements. Key aspects common to all systems include the composition and amount of liquid feed, water availability, and the first starter feeds offered. This article focuses on nutrition of calves before weaning and to breeding age, with primary emphasis on the preweaning and transition phases.
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Affiliation(s)
- James K Drackley
- Division of Nutritional Sciences, Department of Animal Sciences, University of Illinois at Urbana-Champaign, 260 Animal Sciences Laboratory, 1207 West Gregory Drive, Urbana, IL 61801, USA.
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Stabel JR, Lambertz A. Efficacy of pasteurization conditions for the inactivation of Mycobacterium avium subsp. paratuberculosis in milk. J Food Prot 2004; 67:2719-26. [PMID: 15633677 DOI: 10.4315/0362-028x-67.12.2719] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Mycobacterium avium subsp. paratuberculosis, the causative agent of a chronic enteritis in ruminants (Johne's disease), has been linked to Crohn's disease in humans. This microorganism is shed by infected animals primarily in the feces but is also shed in the milk at much lower levels. Therefore, dairy products from infected animals may be one mode of transmission of this animal pathogen. This study was designed to evaluate the effectiveness of the holder and high-temperature short-time pasteurization standards on the destruction of M. paratuberculosis. One hundred eighty experiments were conducted in this study using a slug-flow pasteurizer unit and a laboratory scale pasteurizer unit. Ultrahigh-temperature milk was inoculated at two concentrations, 10(8) and 10(5) CFU/ml, with three different field strains of M. paratuberculosis. Five different time-temperature combinations were evaluated: 62.7 degrees C for 30 min, 65.5 degrees C for 16 s, 71.7 degrees C for 15 s, 71.7 degrees C for 20 s, and 74.4 degrees C for 15 s. Three replicates of each experiment were run for the pasteurizer unit, time-temperature combination, and strain of M. paratuberculosis. Treatment of milk regardless of bacterial strain or pasteurizer unit resulted in an average 5.0- and 7.7-log kill for the low and high concentrations of inoculum, respectively. Milk treated for cheese production (65.5 degrees C for 16 s) resulted in a much lower and more variable kill. Results from this study indicate that the current U.S. minimum standards for batch and high-temperature short-time pasteurization of grade A milk significantly reduced the survivability of M. paratuberculosis, but some bacteria survived subpasteurization heat treatment of milk used for cheese manufacture.
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Affiliation(s)
- J R Stabel
- US Department of Agriculture, Animal Research Service, National Animal Disease Center, Bacterial Diseases of Livestock Research Unit, Ames, Iowa 50010, USA.
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Kertz A, Chester-Jones H. Invited Review: Guidelines for Measuring and Reporting Calf and Heifer Experimental Data. J Dairy Sci 2004; 87:3577-80. [DOI: 10.3168/jds.s0022-0302(04)73495-5] [Citation(s) in RCA: 70] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Santoro HM, Erickson PS, Whitehouse NL, McLaughlin AM, Schwab CG, Quigley JD. Evaluation of a Colostrum Supplement, With or Without Trypsin Inhibitor, and an Egg Protein Milk Replacer for Dairy Calves,. J Dairy Sci 2004; 87:1739-46. [PMID: 15453487 DOI: 10.3168/jds.s0022-0302(04)73328-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Forty-eight Holstein bull calves were assigned to a 2 x 2 x 2 factorial arrangement in a completely randomized block design. Main effects were colostrum versus a serum-derived colostrum supplement, 0 versus 1 g of trypsin inhibitor added at the initial 2 feedings, and milk replacer containing 0 or 50% CP from whole egg. Calves were bled at 0, 6, 12, 18, and 24 h after birth for determination of serum immunoglobulin (Ig). G. Serum IgG concentrations were lower in calves consuming the colostrum supplement compared with calves consuming colostrum. Apparent efficiency of absorption of IgG was similar. Trypsin inhibitor did not affect IgG concentrations or absorption of IgG. Calves were fed either milk replacer for 28 to 35 d (preweaning phase) and weaned when they consumed 0.7 kg of starter grain for 2 consecutive days. The postweaning phase was from weaning to d 56. Feeding colostrum supplement resulted in higher fecal scores postweaning (1.90 vs. 1.58) and overall (1.85 vs. 1.65) and fewer days medicated preweaning (5.1 vs. 2.2 d) and postweaning (3.9 vs. 1.9 d) and overall (9.0 vs. 4.2 d). Calves were treated for upper respiratory tract infections and diarrhea. Dry matter intake and weaning age were not affected by treatment. Postweaning (1.69 vs. 1.2 kg) and overall (1.22 vs. 1.0 kg), calves that received colostrum and egg milk replacer consumed more dry matter and starter. Postweaning, calves fed colostrum and egg milk replacer had similar or greater body weight and gains compared with calves fed colostrum and milk protein milk replacer. Preweaning, feed efficiency was greater for calves fed colostrum (0.44 vs. 0.34), trypsin inhibitor (0.42 vs. 0.36), and milk protein milk replacer (0.48 vs. 0.30) compared with calves fed colostrum supplement, no trypsin inhibitor, and egg milk replacer, respectively. Trypsin inhibitor increased feed efficiency postweaning. Calves fed trypsin inhibitor and milk protein milk replacer were more efficient preweaning and overall than calves fed trypsin inhibitor and egg milk replacer. Results indicate that the blood derived colostrum supplement did not provide as much IgG as colostrum (4.55 g/L vs. 14.6 g/L, respectively), that feeding 1.0 g of trypsin inhibitor did not enhance serum IgG concentrations, and that the egg milk replacer-fed calves fed colostrum performed nearly as well as calves fed colostrum and the milk protein milk replacer.
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Affiliation(s)
- H M Santoro
- Department of Animal and Nutritional Sciences, Ritzman Laboratory, University of New Hampshire, Durham 03824, USA
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Abstract
The use of alternative proteins in milk replacer has been evaluated for their ability to decrease the cost of milk replacers without negatively impacting performance of the calf. Three studies were conducted to evaluate the performance of calves fed milk replacer utilizing liquid egg as an alternative protein and to determine the optimal concentration of liquid egg to include in milk replacers. Calves in trials 1 and 2 were assigned to a control diet of all milk protein replacer (MILK) or a diet formulated to contain 5% of the diet (13.5% of the protein) from liquid egg (5% EGG). Calves in trial 3 were assigned to one of four diets: the control (MILK) and 5% EGG diets fed in trials 1 and 2, or diets formulated to contain either 10 or 15% of the diet (27 or 40.5% of the protein) from liquid egg (10% EGG, 15% EGG). For all experiments, milk replacers were formulated to contain 20% protein, 20% fat and were fed at 454 g/d reconstituted to 12% DM. Production of the diets containing egg protein utilized breaker eggs that were pasteurized during manufacturing. Holstein bull calves (n = 44 for experiment 1, n = 38 for experiment 2, and n = 120 for experiment 3), were purchased from an area sale barn. Calves were housed in individual hutches with water available free choice starting on d 0. A commercially available calf starter was offered free choice beginning on d 7 for experiments 1 and 2 and on d 1 for experiment 3. Feed intake, scour scores, and antibiotic treatments were recorded daily. For experiment 1, calves fed 5% EGG had greater weight gains than calves fed MILK. No differences in average daily feed intake were observed. For experiment 2, weight gains tended to be lower with 5% EGG, whereas feed intakes and gain to feed ratios were similar between calves fed MILK or 5% EGG. For experiment 3, as the amount of egg in the diet increased, weight gain decreased in a linear fashion during the milk replacer feeding period, but the decrease in gain was significant only with the 15% EGG diet. These results indicate that egg is an effective alternative protein source to milk protein in calf milk replacers when fed at levels up to 10% of the diet in a conventional feeding program of 0.45 kg per head per day.
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Affiliation(s)
- K J Touchette
- Merrick Animal Nutrition, Inc., Union Center, WI 53962, USA.
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